Method write

src/os.cc:280–286

}

auto file::write(const void* buffer, size_t count) -> size_t {
  rwresult result = 0;
  FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count))));
  if (result < 0)
    FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
  return detail::to_unsigned(result);
}

auto file::dup(int fd) -> file {
  // Don't retry as dup doesn't return EINTR.